diff --git a/CHANGES.md b/CHANGES.md
index 0ac73e4c896..d6fcbad6951 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,12 @@
 # Changes
 
+## [0.64.0](https://www.github.com/googleapis/google-api-go-client/compare/v0.63.0...v0.64.0) (2021-12-14)
+
+
+### Features
+
+* **all:** auto-regenerate discovery clients , refs [#1349](https://www.github.com/googleapis/google-api-go-client/issues/1349)
+
 ## [0.63.0](https://www.github.com/googleapis/google-api-go-client/compare/v0.62.0...v0.63.0) (2021-12-13)